Review for Finals 3: Measure & Class. Angles; ID Polygons

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What do you call a polygon with 9 sides?

Back

A polygon with 9 sides is called a nonagon.

Front

What type of angle measures more than 90 degrees but less than 180 degrees?

Back

An obtuse angle.

Front

Solve for x: 2x + 5 = 57

Back

x = 26.

Front

What do all quadrilaterals have in common?

Back

All quadrilaterals have four sides.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.

Front

How many sides does a hexagon have?

Back

A hexagon has 6 sides.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is 180 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.